Vertical Lathe – SCR Series are of the highest quality structure with heavily ribbed construction for superior rigidity, strength and dimensional stability with enhanced wear characteristics, designed to perform turning, milling, drilling and threading, for both roughing and finishing operations.
The REM Vertical Lathes SCR Series are designed for a high machining accuracy, a very good rigidity and stability, in conditions of heavy machining of metal, including asymmetrical pieces.
These Vertical Lathes are economical machines, taking into consideration the high productivity factor, the very good price, small loss and low maintenance costs. The assigned productivity increasing technologies are state of the art. Also, in order to maintain a high quality standard, we only use equipment provided by well known companies such as GE Fanuc, HEIDENHAIN, SKF, SIEMENS, Timken, ZF GEARBOX, HYDAK, HIWIN, REXROTH, WILLY VOGEL. Besides that, we have a highly trained staff working in departments like: mechanical design, electric, production, quality control and service. The SCR series has a number of advantages. The structure of the machine allows it to be used both for rough and ﬁnish heavy duty machining, in very good thermo and vibrations stability produced during the processing. Among the advantages, the most important is the very good reliability and high versatility. Depending on the established conﬁguration, the machine can do operations like: turning, milling, drilling, tapping, cylindrical and frontal grinding.The tool magazine may be doped with tools for operations like turning, boring, milling, drilling and milling at 90◦, drilling and milling with bi-rotary accessories, boring and tapping.
Besides the standard Vertical Lathes, we have also designed a special range of Vertical Lathes for machining wind mills pieces, rings, bearings and gear crowns. These machines have a machining height of only 1 m and a movable mobile crossrail of 800 mm. The main advantage of this type of machine is the possibility of machining pieces with a small height and a minimum length of the ram, which leads to a high precision of execution. Our main customers for this product are companies from Germany, Denmark, USA, France, Mexico, Italy, India, Austria and Switzerland.
Manufactured for Maschinenbau SCHOLZ Gmbh & CO. KG Germany
Manufactured for FLANSCHENWERK Thal GmbH Germany.
• Horizontality adjustment devices;
• Telescopic covers for X axis;
• CE certificated machine safety guard;
• Chips conveyor;
• Universal turning tool holder;
• Electrical box cooling system;
• Machine lighting system.
The vertical turning lathes are efficient heavy machine tools with the following optional features:
• Complete careening;
• Telescopic covers for W axis;
• Work-piece touch probe – Renishaw made;
• Tool-probe – Renishaw made;
• Hydrostatic faceplate bearing;
• Angular milling head;
• Bi-rotative milling head CNC;
• Grinding device;
• Dressing device;
• ATC disk type 6/12/16 tool-stations;
• ATC chain type 16/20/24 tool-stations;
• Cooling system 3/20/40/80 bar.
• internal and external longitudinal turning;
• internal and external facing;
• internal and external profiling;
• internal and external grooving;
• face grooving;
• internal and external undercutting
• face milling;
• shoulder milling;
• profile milling;
• slot milling;
• short hole drilling;
• deep hole drilling;
• thread turning;
The heavy duty, heavily ribbed Meehanite cast iron bed is designed to absorb extreme cutting forces ensuring high rigidity and stability of the machine base.
The table is manufactured from high tensile Meehanite cast iron. It supports the part weight with a hydrostatic thrust bearing and radial centering is achieved by a double row, high-precision cylindrical roller bearing to resist heavy duty cutting loads in any direction. The table is equipped with hydraulic clamping device actuated by direct action bronze pistons.
Box type columns and top beam offer high rigidity. Slide ways on columns are precision ground. The positioning racks, located on each column, are precision ground to ensure superior leveling accuracy between the positioning hooks and racks.
The cross rail elevates in 200mm increments to achieve high squareness between the ram and the cross rail.
The box type cross rail is manufactured from high tensile Meehanite cast iron for maximum resistance to static, dynamic, torsion, and bending stresses. The heavily walled and multi ribbed design allows low heat transference to retain good thermal stability. Slide ways are high frequency heat treated and precision ground. The saddle slide ways are coated with aluminum bronze which has a constant friction coefficient at high/low feed rates, ensuring smooth traverse and accurate positioning control.
The rapid feed rate for the cross rail is up to 400mm/min. The mechanical locking device prevents the cross rail from dropping in case of a sudden power failure. If power failure occurs, the device actuates instantly to provide mechanical locking to the cross rail.
Dual drive system provides an output of 226 kW (continuous rating). Each motor is coupled with a dual speed planetary gearbox which ensures that the input energy is transmitted into high torque at low speeds and high power at high speeds, making the machine ideal for machining all types of material.
Maximum achievable torque of the spindle is 270.000 Nm; maximum table speed is 50 RPM.
MILLING / DRILLING SPINDLE
The live spindle provides an output of 37kW (continuous rating). A dual speed gearbox is integrated in-line between a water cooled motor and a spindle inside the ram. This compact, light-weight design matches the latest spindle drive motor technology. Maximum achievable torque of the live spindle is 1050 Nm; maximum speed is 3000 RPM.
High precision C-Axis positioning is achieved by driving one drive in one direction rotating the crown gear, while the other drive is rotated in the opposite direction. This applies a counterforce, which preloads the helical drive removing any backlash from the system.
The heavy duty rail head is a one piece high quality Meehanite cast iron designed to ensure high rigidity and stability under extreme cutting conditions.
The work head moves along the cross rail guideways by a servomotor driven ballscrew, precision ground IT3 class, coupled with a planetary gearbox for servomotor. Since the power is distributed to three planetary gears of the gearbox, thereby distributing the forces evenly, this allows a very compact design with high power density.
The special design ram is made of high quality forged steel (400 x 400) to achieve resistance to static, dynamic, torsion and bending stresses.
The ram slide ways are high frequency heat treated and precision ground. The ram is driven thru an IT3 precision class ground ballscrew by a servomotor coupled with a planetary gearbox.
The main operations are accomplished using the control panel, the auxiliary control desk, the control desk or the CNC equipment. The table rotation, the feeds of the work head (CNC operations) panel is performed using the control desks. The auxiliary control desks are used for the manual lubrication, the current movement of the control panel.
The control central desk ensures the control of the rail head the cross-rail movement and can also signal the possible damages. The machine has suitable safety devices to provide protection to the operator and the machine against all possible operational and machinery failures.
AUTOMATIC TOOL CHANGER
Fully guarded ATC located on the cross rail. The automatic tool changer employs the BT-50 tooling sys¬tem, can fit both turning and milling tool holders, consisting of 8, 12 or 16 tool holders. Tool selection is bi-direc¬tional and by shortest route.
OPERATOR PLATFORM - OPTIONAL EQUIPMENT
The machine is provided with one operator platform located on the cross rail to cover total turning height. It can accommodate the full travel of the working head.
CHIP EVACUATION SYSTEM
The table is surrounded by a gutter type system that allows the chips and coolant to fall unobstructed away from the machining area into one belt type chip conveyor located in front of the machine bed below the table and the drive mechanisms.
The measuring systems for the axes are either optical scales, which are pressurized with a dedicated unit of purified compressed air, or rotary encoders.
• Singular linear scales for each of the X and Z-axes.
• Angle encoder for the C-axis and rotary encoder for main and live spindles orientation.
• Lubrication System
An independent oil recovery and filtering system supplies hydrostatic lubrication to the table, with safety pressure switches. Automatic lubrication of the machines guideways is carried out on continuous cycle by independent motor-driven pump, complete with filter and safety pressure switch. The oil temperature is stabilized by the PLC controlled cooling circuit.
The coolant system is a combination external flood with output at the spindle front and the internal output through spindle. . A 2000-liter tank with an electro-pump for circuits feeding is supplied. The circulation filtering system is comprised of two filtering stages, a pre-filter and two fine filter cartridges, with clogging indicator.
• Checking devices for coolant levels in the tank are provided.
• External flood coolant is delivered by swinging nozzles at the front of the ram.
• Internal coolant through spindle is delivered through a rotating manifold located at the rear of the spindle and coolant flows to the tool through a line inside the spindle.
• Coolant delivery selection can be either manual or by “M” functions.
• The flow rate is regulated manually by changing the pump speed at the control.
• The maximum external coolant rate is 100 liters per minute at a pressure of 3 bars.
• The maximum internal coolant rate is 60 liters per minute at a pressure of 20 bars.
The electric cabinets are equipped with an air conditioner and the incoming power supply can be 230, 440, 460, 480 or 575 volts at ± 10%, 50 or 60 Hz at ±1%, 3 Ph.
• Control and protection devices for motors
• Numeric control with integrated logic
• Cables connecting the machine to the electrical cabinets
• Diagnostics and Monitoring
The machine is provided with a powerful diagnostics and monitoring system and is highly selective. The intervention of electro-mechanical or electronic protection is displayed independently. Any discrepancy between an operation and its command is displayed.
• Each alarm corresponds to a Code Number and a message on the control screen.
• The machine logic responds according to the fault severity.
• The monitoring is integrated for malfunctions and programming errors.
REMOTE MONITORING SYSTEM
REM’s Remote Monitoring System, R.M.S., was developed to transfer the machine’s data and operative conditions to the dedicated host computer, without any interference with the machine’s functioning. All aspects of the machine, such as PLC status, CNC programming, operations report, diagnostics, preventive maintenance and an “On Line” connection with REM Service Department, can be activated by REM. R.M.S. makes it possible to remotely modify software, to guide the inspection, repairs, or resolution of specific problems, constant and automatic registration of the events.
The machine is equipped with full-enclosed sheet metal enclosure guards. These guards are interlocked through the machine logic in such a way that the machine conforms to all Health and Safety requirements necessary for CE marking.
The safety enclosure of the machine consists of fabricated steel structures, net-type protections and controlled by safety switches, located around parts of the machine.Access doors are equipped with keys and electromagnetic locks.
• Opening of safety doors causes the machine stop in a safe controlled sequence and this status is maintained while the door is open.
• The ram guideways are protected by bellow covers. The cross rail and columns guideways are protected by telescopic covers
• Centralized hydraulic and lubrication systems simplifying maintenance procedures.
• Closed protection for cables and hydraulic pipes
• Leveling and anchoring devices to the foundation
Machine functional and construction in compliance with European CE Safety Code.